/Engine/Plugins/Runtime/StateTree/Source/StateTreeModule/Public/StateTreeDelegates.h
Called when schema of the StateTree EditorData has changed. This is used to refresh the asset editor. Note that this is NOT called when updating the StateTree schema from the EditorData on successful compilation.
typedef TMulticastDelegate_OneParam< void, const [UStateTree](API\Plugins\StateTreeModule\UStateTree) & > FOnSchemaChanged